Spherical Vanadium powder has the features of significant purity, uniform particle dimension, and spherical shape. Adding an suitable level of vanadium to steel can refine the construction and grain on the steel, increase the coarsening temperature of grain, and raise the power, toughness, and put on resistance of metal. Read https://charlieikife.isblog.net/facts-about-polycarboxylate-superplasticizer-revealed-50762411